Dear aspirant hope you are doing well..

National Institute of Open Schooling conducts Secondary, Senior Secondary, public, and on-demand exams along with DElEd exams. NIOS exams registration is held in online mode. To get admission in NIOS, students are required to fulfill certain eligibility criteria. The admit card for both the April and October sessions is released one or two weeks before the commencement of exams.

For more details like admission process, eligibility criteria, important dates, exam details, syllabus, admit card, fee structure, preparation tips and more. Click on the link below.

https://school.careers360.com/exams/nios-10th/amp

Hope it's helpful for you

Thank you